I updated to the latest ConTeXt but now get the following error message when I process my files (using TeXShop as the front end, and TeXLive 2007):

ConTeXt  ver: 2008.08.04 10:10 MKII  fmt: 2008.8.9  int: english/english

language        : language en is active
system          : cont-new loaded
(/usr/local/texlive/2007/texmf-dist/tex/context/base/cont-new.tex

FatalError      : Your format does not match the base files!

FormatVersion   : 2008.08.04 10:10 MKII
FilesVersion    : 2008.08.09 18:12

The updating process included 

sudo texhash
sudo texexec --make --all

so I am puzzled about why the problem occurs. Note:

texmfstart ctxtools --contextversion

returns

CtxTools | context version: 2008.08.09 18:12 (/usr/local/texlive/2007/texmf-dist/tex/context/base/context.tex)
CtxTools | context version: 2008.08.09 18:12 (/usr/local/texlive/2007/texmf-dist/tex/context/base/cont-new.tex)
 
Reinstalling ConTeXt  ver: 2008.08.04 obviates the problem.

Alan